Home / 12,240.72-18,361.20-4,846.98

Finding the Fourth Proportional to 12,240.72, 18,361.20 and 4,846.98

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Solution

The fourth proportional to 12,240.72, 18,361.20 and 4,846.98 is: 7,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.72 : 18,361.20 = 4,846.98 : x
  2. Step 2: Convert to fraction form
    12,240.72/18,361.20 = 4,846.98/x
  3. Step 3: Cross multiply
    12,240.72x = 18,361.20 × 4,846.98
  4. Step 4: Simplify right side
    12,240.72x = 88,996,369.18
  5. Step 5: Solve for x
    x = 88,996,369.18/12,240.72
  6. Step 6: Final answer
    x = 7,270.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.